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My car uses an oil filter for which I have not been able to find a commercially made end cap oil filter wrench. Based on a forum for my make of car, o...
This photo shows the oil filter from under the engine. You can see the edge of the splash guard around the oil filter. Although one of these wrenches ...
I used 1/8 x 1/2 inch steel bar stock to make tabs to fit over the wrench flutes on the oil filter. These are 7/8 inch long. Set your filter on a flat...
The fluted end of the filter is slightly less in diameter than the open end with the gasket. I drew around the open end of the filter to make a paper ...
I cut around the paper circle pattern with an angle head grinder and cutting wheel. It is an imprecise process and would have been much better if I ha...
Before welding the tabs to the disc, it will be necessary to hold them firmly around the flutes on the filter so they are correctly positioned for a g...
Slip the enlarged hose clamp around the body of an oil filter. Slide a steel tab under the hose clamp and onto one of the oil filter flutes. Push the ...
At this point three steel tabs have been welded to the disc. The first couple of tabs are the most difficult to position and weld. More things could g...
With each new tab to be welded you will need to loosen the hose clamps a little and slip a new tap into place. Here you can see one of the last tabs r...
Welding always causes things to move as they cool. When finished welding the tabs to the disc, check the fit of the filter between the tabs. The filte...
I added some 1/8 inch rod around the upper portion of the tabs to keep them from bending and opening in use should a lot of torque be applied to remov...
No matter how careful you have been, the filter may be too tight in the wrench after welding the 1/8 rod around the upper part of the tabs. Do a littl...
I went to a local tool store that sells new and used tools. A cheap import used 17mm socket for 3/8 inch drive was one dollar. I centered the socket o...
You can see the weld bead that joins the socket to the bottom of the wrench. Here is the finished wrench on a 3/8 inch ratchet. Eight tabs is a suffic...
Sometimes the filter binds a little in the wrench. That is true also of commercial wrenches from molded ABS plastic. One advantage to this filter wre...
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Posted:
Feb 25, 2012
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